Finding the Fourth Proportional to 12,589.47, 17,373.17 and 6,846.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,589.47 : 17,373.17 = 6,846.78 : x
2. Step 2: Convert to fraction form
   12,589.47/17,373.17 = 6,846.78/x
3. Step 3: Cross multiply
   12,589.47x = 17,373.17 × 6,846.78
4. Step 4: Simplify right side
   12,589.47x = 118,950,272.89
5. Step 5: Solve for x
   x = 118,950,272.89/12,589.47
6. Step 6: Final answer
   x = 9,448.39